Caster



FIG. 1 is a front elevation view of the caster of the present invention, the rear elevation view being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a section view thereof taken along line A-A of FIG. 2;

FIG. 7 is a section view thereof taken along line B-B of FIG. 2;

FIG. 8 is a section view taken thereof along line C-C of FIG. 2;

FIG. 9 is a perspective view thereof;

FIG. 10 is an exploded perspective view thereof; and,

FIGS. 11, 12 and 13 are partial enlarged views of FIG. 10. 

CLAIM The ornamental design for caster, as shown and described. 